cgroup: by default, duplicate service cgroup in the cpu hierarchy

[elogind.git] / src / unit.h

diff --git a/src/unit.h b/src/unit.h
index e3c0c0f060d3960545c32e52fbb63baae45e6351..9eda138fb7cbadef18cf57540ab329285c932a92 100644 (file)
--- a/src/unit.h
+++ b/src/unit.h
@@ -38,8 +38,8 @@ typedef enum UnitDependency UnitDependency;
 #include "list.h"
 #include "socket-util.h"
 #include "execute.h"
+#include "condition.h"
 
-#define UNIT_NAME_MAX 256
 #define DEFAULT_TIMEOUT_USEC (60*USEC_PER_SEC)
 #define DEFAULT_RESTART_USEC (100*USEC_PER_MSEC)
 
@@ -61,8 +61,9 @@ enum UnitType {
 enum UnitLoadState {
         UNIT_STUB,
         UNIT_LOADED,
-        UNIT_FAILED,
+        UNIT_ERROR,
         UNIT_MERGED,
+        UNIT_MASKED,
         _UNIT_LOAD_STATE_MAX,
         _UNIT_LOAD_STATE_INVALID = -1
 };
@@ -71,7 +72,7 @@ enum UnitActiveState {
         UNIT_ACTIVE,
         UNIT_RELOADING,
         UNIT_INACTIVE,
-        UNIT_MAINTENANCE,
+        UNIT_FAILED,
         UNIT_ACTIVATING,
         UNIT_DEACTIVATING,
         _UNIT_ACTIVE_STATE_MAX,
@@ -87,11 +88,11 @@ static inline bool UNIT_IS_ACTIVE_OR_ACTIVATING(UnitActiveState t) {
 }
 
 static inline bool UNIT_IS_INACTIVE_OR_DEACTIVATING(UnitActiveState t) {
-        return t == UNIT_INACTIVE || t == UNIT_MAINTENANCE || t == UNIT_DEACTIVATING;
+        return t == UNIT_INACTIVE || t == UNIT_FAILED || t == UNIT_DEACTIVATING;
 }
 
-static inline bool UNIT_IS_INACTIVE_OR_MAINTENANCE(UnitActiveState t) {
-        return t == UNIT_INACTIVE || t == UNIT_MAINTENANCE;
+static inline bool UNIT_IS_INACTIVE_OR_FAILED(UnitActiveState t) {
+        return t == UNIT_INACTIVE || t == UNIT_FAILED;
 }
 
 enum UnitDependency {
@@ -101,11 +102,13 @@ enum UnitDependency {
         UNIT_REQUISITE,
         UNIT_REQUISITE_OVERRIDABLE,
         UNIT_WANTS,
+        UNIT_BIND_TO,
 
         /* Inverse of the above */
         UNIT_REQUIRED_BY,             /* inverse of 'requires' and 'requisite' is 'required_by' */
-        UNIT_REQUIRED_BY_OVERRIDABLE, /* inverse of 'soft_requires' and 'soft_requisite' is 'soft_required_by' */
+        UNIT_REQUIRED_BY_OVERRIDABLE, /* inverse of 'requires_overridable' and 'requisite_overridable' is 'soft_required_by' */
         UNIT_WANTED_BY,               /* inverse of 'wants' */
+        UNIT_BOUND_BY,                /* inverse of 'bind_to' */
 
         /* Negative dependencies */
         UNIT_CONFLICTS,               /* inverse of 'conflicts' is 'conflicted_by' */
@@ -154,6 +157,9 @@ struct Meta {
 
         usec_t job_timeout;
 
+        /* Conditions to check */
+        LIST_HEAD(Condition, conditions);
+
         dual_timestamp inactive_exit_timestamp;
         dual_timestamp active_enter_timestamp;
         dual_timestamp active_exit_timestamp;
@@ -187,18 +193,12 @@ struct Meta {
         /* Error code when we didn't manage to load the unit (negative) */
         int load_error;
 
-        /* If we go down, pull down everything that depends on us, too */
-        bool recursive_stop;
-
         /* Garbage collect us we nobody wants or requires us anymore */
         bool stop_when_unneeded;
 
         /* Create default depedencies */
         bool default_dependencies;
 
-        /* Bring up this unit even if a dependency fails to start */
-        bool ignore_dependency_failure;
-
         /* Refuse manual starting, allow starting only indirectly via dependency. */
         bool refuse_manual_start;
 
@@ -273,6 +273,8 @@ struct UnitVTable {
         int (*stop)(Unit *u);
         int (*reload)(Unit *u);
 
+        int (*kill)(Unit *u, KillWho w, KillMode m, int signo, DBusError *error);
+
         bool (*can_reload)(Unit *u);
 
         /* Write all data that cannot be restored from other sources
@@ -304,8 +306,8 @@ struct UnitVTable {
         void (*sigchld_event)(Unit *u, pid_t pid, int code, int status);
         void (*timer_event)(Unit *u, uint64_t n_elapsed, Watch *w);
 
-        /* Reset maintenance state if we are in maintainance state */
-        void (*reset_maintenance)(Unit *u);
+        /* Reset failed state if we are in failed state */
+        void (*reset_failed)(Unit *u);
 
         /* Called whenever any of the cgroups this unit watches for
          * ran empty */
@@ -327,6 +329,9 @@ struct UnitVTable {
         /* Return the unit this unit is following */
         Unit *(*following)(Unit *u);
 
+        /* Return the set of units that are following each other */
+        int (*following_set)(Unit *u, Set **s);
+
         /* This is called for each unit type and should be used to
          * enumerate existing devices and load them. However,
          * everything that is loaded here should still stay in
@@ -338,7 +343,7 @@ struct UnitVTable {
         void (*shutdown)(Manager *m);
 
         /* When sending out PropertiesChanged signal, which properties
-         * shall be invalidated? This is a NUL seperated list of
+         * shall be invalidated? This is a NUL separated list of
          * strings, to minimize relocations a little. */
         const char *bus_invalidating_properties;
 
@@ -348,11 +353,6 @@ struct UnitVTable {
         /* Can units of this type have multiple names? */
         bool no_alias:1;
 
-        /* If true units of this types can never have "Requires"
-         * dependencies, because state changes can only be observed,
-         * not triggered */
-        bool no_requires:1;
-
         /* Instances make no sense for this type */
         bool no_instances:1;
 
@@ -414,7 +414,7 @@ int unit_add_exec_dependencies(Unit *u, ExecContext *c);
 
 int unit_add_cgroup(Unit *u, CGroupBonding *b);
 int unit_add_cgroup_from_text(Unit *u, const char *name);
-int unit_add_default_cgroup(Unit *u);
+int unit_add_default_cgroups(Unit *u);
 CGroupBonding* unit_get_default_cgroup(Unit *u);
 
 int unit_choose_id(Unit *u, const char *name);
@@ -454,6 +454,8 @@ int unit_start(Unit *u);
 int unit_stop(Unit *u);
 int unit_reload(Unit *u);
 
+int unit_kill(Unit *u, KillWho w, KillMode m, int signo, DBusError *error);
+
 void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns);
 
 int unit_watch_fd(Unit *u, int fd, uint32_t events, Watch *w);
@@ -495,10 +497,20 @@ void unit_status_printf(Unit *u, const char *format, ...);
 
 bool unit_need_daemon_reload(Unit *u);
 
-void unit_reset_maintenance(Unit *u);
+void unit_reset_failed(Unit *u);
 
 Unit *unit_following(Unit *u);
 
+bool unit_pending_inactive(Unit *u);
+bool unit_pending_active(Unit *u);
+
+int unit_add_default_target_dependency(Unit *u, Unit *target);
+
+int unit_following_set(Unit *u, Set **s);
+
+UnitType unit_name_to_type(const char *n);
+bool unit_name_is_valid(const char *n, bool template_ok);
+
 const char *unit_load_state_to_string(UnitLoadState i);
 UnitLoadState unit_load_state_from_string(const char *s);
 
@@ -508,7 +520,4 @@ UnitActiveState unit_active_state_from_string(const char *s);
 const char *unit_dependency_to_string(UnitDependency i);
 UnitDependency unit_dependency_from_string(const char *s);
 
-const char *kill_mode_to_string(KillMode k);
-KillMode kill_mode_from_string(const char *s);
-
 #endif